BIOS stands fora)bootstrap initial operating systemb)basic input outpu...
BIOS (basic input/output system) is the program a computer's microprocessor uses to start the computer system after it is powered on. It also manages data flow between the computer's operating system (OS) and attached devices, such as the hard disk, video adapter, keyboard, mouse and printer.
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BIOS stands fora)bootstrap initial operating systemb)basic input outpu...
Explanation:
BIOS stands for Basic Input Output System.
What is BIOS?
BIOS is a firmware that is embedded on a small memory chip on the computer's motherboard. It is the first software that runs when a computer starts up, and it is responsible for initializing and testing the hardware components of the computer, such as the hard drive, memory, and CPU.
What does BIOS do?
The main functions of BIOS are:
1. Power On Self Test (POST): This is the first thing that BIOS does when the computer starts up. It checks if all the hardware components are working properly, and if there are any errors, it will display an error message on the screen.
2. Booting the operating system: Once the POST is complete, BIOS loads the operating system from the hard drive into the computer's memory, and hands over control to it.
3. Configuring hardware settings: BIOS also allows the user to configure the hardware settings of the computer, such as the boot order, date and time, and CPU and memory settings.
4. Security: BIOS also provides basic security features, such as password protection, to prevent unauthorized access to the computer.
Conclusion:
In summary, BIOS is an important part of the computer's startup process, responsible for initializing and testing the hardware components, loading the operating system, configuring hardware settings, and providing basic security features.
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